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U-Pb zircon data for: Cretaceous plutonic rocks of western Glacier Bay National Park and Preserve U-Pb zircon data for: Cretaceous plutonic rocks of western Glacier Bay National Park and Preserve
In 2016, with National Park Service support, several previously undated plutons were sampled in Glacier Bay National Park and Preserve along the west side of Glacier Bay for age determinations. Geochronologic analyses were conducted to determine the ages of the plutonic rocks in the Glacier Bay area. Five samples were collected by Frederic Wilson (USGS Alaska Science Center), from Dundas...
Ecological modeling output for the Combined Operational Plan, Round 1 in the Greater Everglades, 2018-2019 Ecological modeling output for the Combined Operational Plan, Round 1 in the Greater Everglades, 2018-2019
Ecological models facilitate evaluation and assessment of alternative plans for restoring the Greater Everglades ecosystem. Modeling outputs were used in evaluations of alternative water control plans to be performed by the Combined Operational Plan (COP). The models used were: (1) Cape Sable Seaside Sparrow Marl Prairie Indicator in conjunction with (2) Cape Sable Seaside Sparrow Helper...
Potentiometric surface dataset of the Sparta-Memphis aquifer in Arkansas, January 2013 - May 2013 Potentiometric surface dataset of the Sparta-Memphis aquifer in Arkansas, January 2013 - May 2013
The U.S. Geological Survey (USGS), in cooperation with the Arkansas Natural Resources Commission (ANRC), Arkansas Geological Survey, and the Union County Water Conservation Board, has monitored water levels as a part of an ongoing effort to provide information for management of the Sparta-Memphis aquifer. The USGS has produced reports, at various intervals, to describe groundwater...
Discrete water quality data supporting Herring River restoration project, Cape Cod National Seashore, 1984-2017 Discrete water quality data supporting Herring River restoration project, Cape Cod National Seashore, 1984-2017
Staff from the Cape Cod National Seashore, National Park Service (CACO NPS) began limited water-quality data collection in the Herring River Estuary as early as 1984. In 2006 a monthly sampling program was established for 14 sites to monitor nutrient concentrations, dissolved oxygen, and other constituents. This monitoring program is ongoing and has been supplemented with data from other...
Conterminous U.S. Air Stagnation Index, Number of Days, 2007–2016 Conterminous U.S. Air Stagnation Index, Number of Days, 2007–2016
Using the National Oceanic Atmospheric Administration’s (NOAA) Air Stagnation Index (ASI), the total number of days during 2007–2016 with atmospheric conditions conducive for stagnant air conditions in the conterminous U.S. are documented in raster format geospatial data. These data provide the number of days that would allow the temporal buildup of atmospheric pollution (NOAA, 2017)...
National Land Cover Database (NLCD) 2016 Products (ver. 3.0, November 2023) National Land Cover Database (NLCD) 2016 Products (ver. 3.0, November 2023)
The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released four National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, and 2011. These products provide spatially explicit and reliable information on the Nation�s land cover and land cover change. To continue the legacy of NLCD and further establish...